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remove MpegEncContext, patch by baptiste

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approved by me already but apparently forgotten

Originally committed as revision 8733 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2007-04-14 18:42:50 +00:00 committed by Michael Niedermayer
parent 859d95baa1
commit 1106e4abe4
1 changed files with 5 additions and 20 deletions
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25
libavcodec/mjpeg.c
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@ -839,7 +839,6 @@ static int encode_picture_lossless(AVCodecContext *avctx, unsigned char *buf, in
typedef struct MJpegDecodeContext {
AVCodecContext *avctx;
GetBitContext gb;
int mpeg_enc_ctx_allocated; /* true if decoding context allocated */
int start_code; /* current start code */
int buffer_size;
@ -886,8 +885,7 @@ typedef struct MJpegDecodeContext {
int8_t *qscale_table;
DECLARE_ALIGNED_8(DCTELEM, block[64]);
ScanTable scantable;
void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
DSPContext dsp;
int restart_interval;
int restart_count;
@ -930,23 +928,10 @@ static int build_vlc(VLC *vlc, const uint8_t *bits_table, const uint8_t *val_tab
static int mjpeg_decode_init(AVCodecContext *avctx)
{
MJpegDecodeContext *s = avctx->priv_data;
MpegEncContext s2;
memset(s, 0, sizeof(MJpegDecodeContext));
s->avctx = avctx;
/* ugly way to get the idct & scantable FIXME */
memset(&s2, 0, sizeof(MpegEncContext));
s2.avctx= avctx;
// s2->out_format = FMT_MJPEG;
dsputil_init(&s2.dsp, avctx);
DCT_common_init(&s2);
s->scantable= s2.intra_scantable;
s->idct_put= s2.dsp.idct_put;
s->idct_add= s2.dsp.idct_add;
s->mpeg_enc_ctx_allocated = 0;
dsputil_init(&s->dsp, avctx);
ff_init_scantable(s->dsp.idct_permutation, &s->scantable, ff_zigzag_direct);
s->buffer_size = 0;
s->buffer = NULL;
s->start_code = -1;
@ -1615,9 +1600,9 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int ss, i
ptr += s->linesize[c] >> 1;
//av_log(NULL, AV_LOG_DEBUG, "%d %d %d %d %d %d %d %d \n", mb_x, mb_y, x, y, c, s->bottom_field, (v * mb_y + y) * 8, (h * mb_x + x) * 8);
if(!s->progressive)
s->idct_put(ptr, s->linesize[c], s->block);
s->dsp.idct_put(ptr, s->linesize[c], s->block);
else
s->idct_add(ptr, s->linesize[c], s->block);
s->dsp.idct_add(ptr, s->linesize[c], s->block);
if (++x == h) {
x = 0;
y++;